Question 1

Question

What is the sum of −4.5 + 3.7?(1 point)
Responses

0.8
0.8

-0.8
-0.8

10.2
10.2

-10.2
-10.2
Question 2
Multiply: −4.3 × 2.6(1 point)
Responses

6.9
6.9

-6.9
-6.9

-11.18
-11.18

11.18
11.18
Question 3
Subtract: 8.7 − (−4.6)(1 point)
Responses

4.1
4.1

-4.1
-4.1

-13.3
-13.3

13.3
13.3
Question 4
Subtract: -5.7 - 3.2(1 point)
Responses

-8.9
-8.9

8.9
8.9

-2.5
-2.5

2.5
2.5
Question 5
Divide: −3/4÷(−4/5)
(1 point)
Responses

1220
12 over 20

-1516
-15 over 16

-1220
-12 over 20

1516
15 over 16
Question 6
Divide: -0.96 ÷ 1.2(1 point)
Responses

1.08
1.08

-1.08
-1.08

-0.8
-0.8

0.8
0.8
Question 7
Multiply 13.6 x 2.04(1 point)
Responses

2.7744
2.7744

27.744
27.744

277.44
277.44

2774.4
2774.4
Question 8
Divide: 5 2/3÷3 4/7
(1 point)
Responses

14475
1 and 44 over 75

−14475
negative 1 and 44 over 75

15821
15 and 8 over 21

−15821
negative 15 and 8 over 21
Question 9
Divide: 4/7÷4/ 5
(1 point)
Responses

812
8 over 12

12
1 half

1635
16 over 35

57
5 sevenths
Question 10
Multiply: 5/7×4/9
(1 point)
Responses

4528
45 over 28

2063
20 over 63

916
9 over 16

6320
63 over 20
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Answer 1

Here are the answers to your questions:

Question 1: What is the sum of −4.5 + 3.7?
Answer: -0.8

Question 2: Multiply: −4.3 × 2.6
Answer: -11.18

Question 3: Subtract: 8.7 − (−4.6)
Answer: 13.3

Question 4: Subtract: -5.7 - 3.2
Answer: -8.9

Question 5: Divide: −3/4 ÷ (−4/5)
Answer: 15/16

Question 6: Divide: -0.96 ÷ 1.2
Answer: -0.8

Question 7: Multiply 13.6 x 2.04
Answer: 27.744

Question 8: Divide: 5 2/3 ÷ 3 4/7
To work this out:

1. Convert to improper fractions: 5 2/3 = 17/3 and 3 4/7 = 25/7.
2. Divide: (17/3) ÷ (25/7) = (17/3) × (7/25) = 119/75, which can be expressed as 1 and 44/75.
   Answer: 1 and 44 over 75

Question 9: Divide: 4/7 ÷ 4/5
Answer: 5/7

Question 10: Multiply: 5/7 × 4/9
Answer: 20/63

Feel free to ask if you have any more questions!